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Overlapping self owned user polygons now union each other

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main
Umbra Sheep 7 years ago
parent a18ba767d6
commit 45eae9a076
5 changed files with 214 additions and 68 deletions
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2
api/config/db.js
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@ -9,7 +9,7 @@ exports.connect = function(done){
state.pool = mysql.createPool({
host: 'localhost',
user: 'root',
password: '',
password: 'root',
port: 3306,
database: "territory-walker",
//multipleStatements: true

41
api/res/setup_sql.sql
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@ -53,6 +53,35 @@ BEGIN
END //
DELIMITER ;
DELIMITER //
CREATE PROCEDURE selectUserPolygon
(IN gID VARCHAR(6),
IN usID VARCHAR(6))
BEGIN
SELECT * FROM `polygonPoints`
JOIN `polygonArea` ON
`polygonArea`.polygonID = polygonPoints.polygonID
JOIN (SELECT * FROM `userJoinedGames` WHERE gameID = gID) AS userColour ON
`polygonArea`.userID = userColour.UserID
WHERE
polygonArea.gameID = gID AND polygonArea.userID = usID;
END //
DELIMITER ;
DELIMITER //
CREATE PROCEDURE selectNonUserPolygon
(IN gID VARCHAR(6),
IN usID VARCHAR(6))
BEGIN
SELECT * FROM `polygonPoints`
JOIN `polygonArea` ON
`polygonArea`.polygonID = polygonPoints.polygonID
JOIN (SELECT * FROM `userJoinedGames` WHERE gameID = gID) AS userColour ON
`polygonArea`.userID = userColour.UserID
WHERE
polygonArea.gameID = gID AND polygonArea.userID != usID;
END //
DELIMITER ;
DELIMITER //
CREATE PROCEDURE insertPolygon
@ -70,6 +99,15 @@ BEGIN
END //
DELIMITER ;
DELIMITER //
CREATE PROCEDURE deletePolygon
(IN id VARCHAR(36))
BEGIN
DELETE FROM `polygonPoints` WHERE polygonID = id;
DELETE FROM `polygonArea` WHERE polygonID = id;
END //
DELIMITER ;
INSERT INTO `gameInstances` (gameID) VALUES ("samdum");
INSERT INTO `users` (userID, nickname) VALUES ("samded", "Lesmaux");
INSERT INTO `users` (userID, nickname) VALUES ("fanded", "Umbra Sheep");
@ -80,7 +118,8 @@ INSERT INTO `polygonPoints` (polygonID, lat, lng) VALUES
("someuniqueid", -43.5623, 172.5655),
("someuniqueid", -43.5623, 172.5650),
("someuniqueid", -43.5628, 172.5650),
("someuniqueid", -43.5628, 172.5655);
("someuniqueid", -43.5628, 172.5655),
("someuniqueid", -43.5623, 172.5655);
-- TODO CREATE PROCEDURE FOR GENERATING GAME ID
-- concat(substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand()*36+1, 1),
-- substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand()*36+1, 1),

36
api/v1/api.js
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@ -1,6 +1,7 @@
let db = require("../config/db.js");
let mathFunc = require("./mathFunc.js");
let util = require("util");
let areaFunctions = require("./areaFunctions.js");
module.exports = {
getPolygons : function (req, res) {
@ -49,36 +50,11 @@ module.exports = {
let distance = mathFunc.gpsToMeters(firstPoint.lat, firstPoint.lng, lastPoint.lat, lastPoint.lng);
console.log(distance);
if (distance < 10) {
//area is just 1 for now we fix later.
query = util.format("CALL insertPolygon(\"%s\", \"%s\", 1)", gameID, userID);
db.get().query(query, function(err, rows) {
if (err) {
console.log(err);
return res.send(400);
}
let polygonID = rows[0][0].polygonID;
query = "INSERT INTO polygonPoints (polygonID, lat, lng) VALUES ";
let delimiterNecessary = false;
points.map((point) => {
if (delimiterNecessary) {
query += ",";
}
query += util.format("(\"%s\",%s,%s)", polygonID, point.lat, point.lng);
delimiterNecessary = true;
});
query += ";";
db.get().query(query, function(err, pointRows) {
if (err) {
console.log(err);
return res.send(400);
}
res.send(rows[0][0]);
return;
});
});
if (lastPoint.lat != firstPoint.lat && lastPoint.lng != firstPoint.lng) {
// points.pop();
points.push({lat: firstPoint.lat, lng: lastPoint.lng});
}
areaFunctions.collatePolygons(res, gameID, userID, points);
} else {
res.send([]);
}

128
api/v1/areaFunctions.js
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@ -0,0 +1,128 @@
let db = require("../config/db.js");
let util = require("util");
let turf = require("turf");
let mathFunc = require("./mathFunc.js");
module.exports = {
organisePolygonPoints(polygonPoints) {
console.log(polygonPoints);
let polygons = []
let polygonDict = {};
polygonPoints.map((point) => {
if (!(point.polygonID in polygonDict)) {
polygonDict[point.polygonID] = {};
polygonDict[point.polygonID].coords = [];
polygonDict[point.polygonID].gameID = point.gameID;
polygonDict[point.polygonID].userID = point.userID;
polygonDict[point.polygonID].colour = point.colour;
polygonDict[point.polygonID].polygonID = point.polygonID;
}
polygonDict[point.polygonID].coords.push({lat: point.lat, lng: point.lng});
});
for (let [polygon, polygonData] of Object.entries(polygonDict)){
polygons.push(polygonDict[polygon]);
}
return polygons
},
submitFinalCollation(res, gameID, userID, points, mergedPolygonIDs) {
console.log(module.exports.convertPointsObjToArray(points));
let area = mathFunc.calculateArea(points);
query = util.format("CALL insertPolygon(\"%s\", \"%s\", %d)", gameID, userID, area);
db.get().query(query, function(err, rows) {
if (err) {
console.log(err);
return res.send(400);
}
let polygonID = rows[0][0].polygonID;
query = "INSERT INTO polygonPoints (polygonID, lat, lng) VALUES ";
let delimiterNecessary = false;
points.map((point) => {
if (delimiterNecessary) {
query += ",";
}
query += util.format("(\"%s\",%s,%s)", polygonID, point.lat, point.lng);
delimiterNecessary = true;
});
query += ";";
db.get().query(query, function(err, pointRows) {
if (err) {
console.log(err);
return res.send(400);
}
module.exports.deleteMergedPolygons(mergedPolygonIDs, () => res.send(rows[0][0]));
// res.send(rows[0][0]);
return;
});
});
},
deleteMergedPolygons(mergedPolygonIDs, next) {
if (mergedPolygonIDs.length > 0) {
let id = mergedPolygonIDs.pop();
console.log(id);
let deleteQuery = util.format("CALL deletePolygon(\"%s\");", id);
db.get().query(deleteQuery, function(err, pointRows) {
if (err) {
console.log(err);
return res.send(400);
}
module.exports.deleteMergedPolygons(mergedPolygonIDs, next);
return;
});
} else {
next();
}
},
collatePolygons(res, gameID, userID, points) {
let query = util.format("CALL selectUserPolygon(\"%s\", \"%s\");", gameID, userID);
db.get().query(query, function (err, rows) {
if (err) {
console.log(err);
res.send(500);
}
let polygonPoints = points;
let polygons = module.exports.organisePolygonPoints(rows[0]);
let polygonResult = [];
let polygonsMerged = [];
polygons.map((polygon) => {
let intersect = module.exports.checkIntersects(polygonPoints, polygon.coords);
if (intersect != null) {
polygonPoints = module.exports.unionPolygon(polygonPoints, polygon.coords);
polygonsMerged.push(polygon.polygonID);
} else {
polygonResult.push(polygon);
}
});
module.exports.submitFinalCollation(res, gameID, userID, polygonPoints, polygonsMerged);
});
},
unionPolygon(points1, points2){
let arrayPoints1 = [module.exports.convertPointsObjToArray(points1)];
let arrayPoints2 = [module.exports.convertPointsObjToArray(points2)];
let poly1 = turf.polygon(arrayPoints1);
let poly2 = turf.polygon(arrayPoints2);
let unionPoly = turf.union(poly1, poly2);
return module.exports.convertPointsArrayToObj(unionPoly.geometry.coordinates[0]);
},
checkIntersects(points1, points2) {
let arrayPoints1 = [module.exports.convertPointsObjToArray(points1)];
let arrayPoints2 = [module.exports.convertPointsObjToArray(points2)];
let poly1 = turf.polygon(arrayPoints1);
let poly2 = turf.polygon(arrayPoints2);
return turf.intersect(poly1, poly2);
},
convertPointsObjToArray(points){
let array = points.map((point) => {
return [point.lng, point.lat];
});
return array;
},
convertPointsArrayToObj(points){
let array = points.map((point) => {
return {lat: point[1], lng: point[0]};
});
return array;
}
}

75
api/v1/mathFunc.js
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@ -14,46 +14,49 @@ module.exports = {
return d * 1000; // meters
},
calculateArea: function (points) {
var polygon = turf.polygon([[[125, -15], [113, -22], [154, -27], [144, -15], [125, -15]]]);
var polygon = turf.polygon([points.map((point) => {
return [point.lng, point.lat];
})]);
var area = turf.area(polygon);
console.log(area);
var poly1 = turf.polygon([[
[-82.574787, 35.594087],
[-82.574787, 35.615581],
[-82.545261, 35.615581],
[-82.545261, 35.594087],
[-82.574787, 35.594087]
]], {"fill": "#0f0"});
var poly2 = turf.polygon([[
[-82.560024, 35.585153],
[-82.560024, 35.602602],
[-82.52964, 35.602602],
[-82.52964, 35.585153],
[-82.560024, 35.585153]
]], {"fill": "#00f"});
return area;
// var poly1 = turf.polygon([[
// [-82.574787, 35.594087],
// [-82.574787, 35.615581],
// [-82.545261, 35.615581],
// [-82.545261, 35.594087],
// [-82.574787, 35.594087]
// ]], {"fill": "#0f0"});
// var poly2 = turf.polygon([[
// [-82.560024, 35.585153],
// [-82.560024, 35.602602],
// [-82.52964, 35.602602],
// [-82.52964, 35.585153],
// [-82.560024, 35.585153]
// ]], {"fill": "#00f"});
var union = turf.union(poly1, poly2);
console.log(union.geometry.coordinates);
var poly1 = turf.polygon([[
[-122.801742, 45.48565],
[-122.801742, 45.60491],
[-122.584762, 45.60491],
[-122.584762, 45.48565],
[-122.801742, 45.48565]
]]);
// var union = turf.union(poly1, poly2);
// console.log(union.geometry.coordinates);
// var poly1 = turf.polygon([[
// [-122.801742, 45.48565],
// [-122.801742, 45.60491],
// [-122.584762, 45.60491],
// [-122.584762, 45.48565],
// [-122.801742, 45.48565]
// ]]);
var poly2 = turf.polygon([[
[-122.520217, 45.535693],
[-122.64038, 45.553967],
[-122.720031, 45.526554],
[-122.669906, 45.507309],
[-122.723464, 45.446643],
[-122.532577, 45.408574],
[-122.487258, 45.477466],
[-122.520217, 45.535693]
]]);
// var poly2 = turf.polygon([[
// [-122.520217, 45.535693],
// [-122.64038, 45.553967],
// [-122.720031, 45.526554],
// [-122.669906, 45.507309],
// [-122.723464, 45.446643],
// [-122.532577, 45.408574],
// [-122.487258, 45.477466],
// [-122.520217, 45.535693]
// ]]);
var intersection = turf.intersect(poly1, poly2);
console.log(intersection);//null if no intersect
// var intersection = turf.intersect(poly1, poly2);
// console.log(intersection);//null if no intersect
}
}
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